JP2008283061A - 電源用spd - Google Patents
電源用spd Download PDFInfo
- Publication number
- JP2008283061A JP2008283061A JP2007127051A JP2007127051A JP2008283061A JP 2008283061 A JP2008283061 A JP 2008283061A JP 2007127051 A JP2007127051 A JP 2007127051A JP 2007127051 A JP2007127051 A JP 2007127051A JP 2008283061 A JP2008283061 A JP 2008283061A
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- Prior art keywords
- plate
- terminal
- varistor element
- conductor
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 239000004020 conductor Substances 0.000 claims abstract description 94
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000011787 zinc oxide Substances 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 claims description 28
- 230000002159 abnormal effect Effects 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 21
- 238000009413 insulation Methods 0.000 abstract description 13
- 238000000605 extraction Methods 0.000 abstract description 4
- 239000012212 insulator Substances 0.000 abstract description 3
- 230000005856 abnormality Effects 0.000 description 43
- 238000006073 displacement reaction Methods 0.000 description 30
- 230000007246 mechanism Effects 0.000 description 25
- 238000003780 insertion Methods 0.000 description 11
- 230000037431 insertion Effects 0.000 description 11
- 238000002844 melting Methods 0.000 description 11
- 229910001092 metal group alloy Inorganic materials 0.000 description 10
- 230000036961 partial effect Effects 0.000 description 10
- 239000011347 resin Substances 0.000 description 10
- 229920005989 resin Polymers 0.000 description 10
- 210000000078 claw Anatomy 0.000 description 9
- 230000001681 protective effect Effects 0.000 description 9
- 230000008018 melting Effects 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 238000005452 bending Methods 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 239000000779 smoke Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- 238000005304 joining Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
- H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
- H01H37/761—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors
- H01C7/126—Means for protecting against excessive pressure or for disconnecting in case of failure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
- H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
- H01H37/761—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit
- H01H2037/762—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit using a spring for opening the circuit when the fusible element melts
- H01H2037/763—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit using a spring for opening the circuit when the fusible element melts the spring being a blade spring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/10—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess voltage, e.g. for lightning protection
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Thermistors And Varistors (AREA)
Abstract
【解決手段】 酸化亜鉛形バリスタ素子10の電極引出し端子11と、バリスタ素子10の異常時に電極引出し端子11から切り離された切離し導体21との間に移動して両者導電体間を絶縁する絶縁板30aと、絶縁板30aをバリスタ素子10の異常時に動作させるように附勢するばね材31を備える。
【選択図】図1
Description
2 蓋板
10 バリスタ素子
11 電極引出し端子
12 絶縁保護材
13 低溶融金属合金
21 切離し導体
21b 変位可能部分、ばね部
30 表示枠
30a 絶縁板
30b 異常表示板
30c 連結枠
32 表示窓
40 固定ガイド
41 可動ガイド
SP1 本体
SP2 支持台
Claims (3)
- 酸化亜鉛形バリスタ素子と、前記バリスタ素子の電極引出し端子に接続され、前記バリスタ素子の異常時に前記電極引出し端子から切り離されるばね力を有する切離し導体と、前記バリスタ素子と前記切離し導体を位置決め収納する筐体とを有する電源用SPDにおいて、
前記筐体内に、前記バリスタ素子の異常時に前記電極引出し端子とその電極引出し端子から切り離された前記切離し導体との間に移動する絶縁板と、前記絶縁板を前記バリスタ素子の異常時に前記移動方向に附勢するばね材を収納したことを特徴とする電源用SPD。 - 前記筐体内に前記絶縁板を、その絶縁板の前記移動方向の先端を前記切離し導体の前記電極引出し端子から引き離される変位可能部分に係止させて収納したことを特徴とする請求項1に記載の電源用SPD。
- 前記筐体内に、前記絶縁板と、その絶縁板と一体で、前記絶縁板の移動で前記筐体に形成した表示窓に沿う移動をして前記表示窓に前記バリスタ素子の異常発生を色表示する異常表示板を有する表示枠を収納したことを特徴とする請求項2に記載の電源用SPD。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007127051A JP4855333B2 (ja) | 2007-05-11 | 2007-05-11 | 電源用spd |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007127051A JP4855333B2 (ja) | 2007-05-11 | 2007-05-11 | 電源用spd |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008283061A true JP2008283061A (ja) | 2008-11-20 |
JP4855333B2 JP4855333B2 (ja) | 2012-01-18 |
Family
ID=40143613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007127051A Active JP4855333B2 (ja) | 2007-05-11 | 2007-05-11 | 電源用spd |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4855333B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011011985A1 (zh) * | 2009-07-27 | 2011-02-03 | 佛山市浦斯电子有限公司 | 一种具有热保护装置的电涌保护器 |
CN102340136A (zh) * | 2010-07-28 | 2012-02-01 | 上海电科电器科技有限公司 | 插拔式电涌保护器 |
WO2024072672A3 (en) * | 2022-09-30 | 2024-08-02 | Mersen Usa Ep Corp. | Surge protection device, mov with integrated short circuit protection, insertion system and arc shield |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5895147A (ja) * | 1981-11-30 | 1983-06-06 | Toshiba Corp | 太陽熱集熱体の製造方法 |
JPS5998590A (ja) * | 1982-11-27 | 1984-06-06 | 株式会社東芝 | 薄膜の製造方法 |
JPH0831299A (ja) * | 1994-07-20 | 1996-02-02 | Daito Tsushinki Kk | サージ吸収器 |
JPH09134809A (ja) * | 1995-11-10 | 1997-05-20 | Matsushita Electric Ind Co Ltd | 安全保障機能付サージ吸収器 |
-
2007
- 2007-05-11 JP JP2007127051A patent/JP4855333B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5895147A (ja) * | 1981-11-30 | 1983-06-06 | Toshiba Corp | 太陽熱集熱体の製造方法 |
JPS5998590A (ja) * | 1982-11-27 | 1984-06-06 | 株式会社東芝 | 薄膜の製造方法 |
JPH0831299A (ja) * | 1994-07-20 | 1996-02-02 | Daito Tsushinki Kk | サージ吸収器 |
JPH09134809A (ja) * | 1995-11-10 | 1997-05-20 | Matsushita Electric Ind Co Ltd | 安全保障機能付サージ吸収器 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011011985A1 (zh) * | 2009-07-27 | 2011-02-03 | 佛山市浦斯电子有限公司 | 一种具有热保护装置的电涌保护器 |
CN102340136A (zh) * | 2010-07-28 | 2012-02-01 | 上海电科电器科技有限公司 | 插拔式电涌保护器 |
CN102340136B (zh) * | 2010-07-28 | 2014-04-09 | 上海电科电器科技有限公司 | 插拔式电涌保护器 |
WO2024072672A3 (en) * | 2022-09-30 | 2024-08-02 | Mersen Usa Ep Corp. | Surge protection device, mov with integrated short circuit protection, insertion system and arc shield |
Also Published As
Publication number | Publication date |
---|---|
JP4855333B2 (ja) | 2012-01-18 |
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